WO2006035547A1 - ガス加熱方法およびガス加熱用配管部材 - Google Patents
ガス加熱方法およびガス加熱用配管部材 Download PDFInfo
- Publication number
- WO2006035547A1 WO2006035547A1 PCT/JP2005/014097 JP2005014097W WO2006035547A1 WO 2006035547 A1 WO2006035547 A1 WO 2006035547A1 JP 2005014097 W JP2005014097 W JP 2005014097W WO 2006035547 A1 WO2006035547 A1 WO 2006035547A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas heating
- piping member
- heat insulating
- gas
- insulating material
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
Definitions
- the present invention relates to a gas heating method and a gas heating piping member for heating a gas used for chemical production, semiconductor production or the like to a predetermined temperature.
- gas may have to be heated to a predetermined processing temperature. For this reason, it is common to wind a pipe with a tape heater and heat the pipe from the outside. Done
- Patent Document 1 describes a flexible pipe member with improved heating, cooling, or heat retaining effects as an inner / outer double pipe!
- Patent Document 1 Japanese Utility Model Publication No. 1 91189
- An object of the present invention is to provide a heating method capable of improving calorie heat efficiency when heating a gas in a pipe member body such as a pipe, and a pipe capable of easily performing such a heating method. It is to provide a member.
- a heat insulating material capable of passing a heated gas is closely inserted into the piping member main body through which the heated gas passes, and the piping member main body is heated from the outside. It is characterized by heating by means.
- a gas heating piping member includes a hollow body heated from the outside, and a heated body. It consists of a heat insulating material that is formed so that gas can pass through it and is inserted in close contact with the inside of the main body.
- the piping member body is usually a pipe, but it may be a block in which a pipe joint or a passage connecting the pipes is formed.
- the substance flowing through the slag is usually a gas, but it may be a liquid.
- the heat insulating material may be formed of a porous metal material or a large number of metal ball forces, and the heat insulating material may be formed of a porous metal material and a metal core material.
- the porous metal material a laminated body of cut-up and porous metal foil is preferable, but a porous metal sintered body obtained by heat-sintering a metal particle material containing a binder may be used. A mesh may be laminated in the passage direction.
- various materials can be used as the porous metal material as long as the thermal conductivity is high and a sufficient contact area with the gas is ensured.
- the metal may be, for example, titanium or other metal which may be made of stainless steel that emphasizes thermal conductivity and is made of stainless steel that does not easily react with the fluid to be heated (heated gas or liquid to be heated). Good.
- the many metal balls may be, for example, stainless steel, copper, titanium, or other metals other than power steel, which is a steel ball.
- the heating means for example, various heating means that can be adapted to the contour shape of the hollow main body, which is preferably a flexible heater called a micro heater, a tape heater or the like, can be used.
- the porous metal foil with cuts is a metal foil in which a number of cuts are formed at predetermined intervals in the vertical and horizontal directions, and the thickness of the metal foil is preferably about 10 to: LOO / zm.
- the size of the ridge is, for example, a square or rectangular shape with a side force of 200 to 700 ⁇ m, the other side of the hole being 200 to 700 ⁇ m, and a height (projection amount) of 200 to 600 m.
- the number of cuts is about 200 to 600 Zcm2. An appropriate size and number of cuts are selected in consideration of the passage diameter, passage length, pressure loss, and the like.
- the perforated plate is biased toward the other perforated plate by a biasing member (for example, a coil spring).
- the biasing member may be a spring such as a leaf spring in addition to the coil spring, and it is made of rubber or synthetic resin and has elasticity! / It may be an elastic member!
- the diameter of the metal sphere is 50% or less, preferably 40% or less. Is more preferable.
- the lower limit of the diameter of the metal sphere is not particularly limited, but if it is too small, it becomes difficult to handle and the pressure loss increases, so 5% or more is preferable, and 20% or more is more preferable. In this way, when the metal spheres are closely packed in the hollow body, the thermal conductivity is very excellent, and a sufficient gas passage gap is ensured to enable efficient heating.
- the metal spheres are sequentially filled into the hollow body using one of the perforated plates as a stop plate, and the densely packed metal spheres are held by being sandwiched between the two perforated plates.
- the gas heating method of the present invention since the heat insulating material is closely inserted into the inside of the piping member main body such as a pipe, the piping member main body is heated by externally heating the piping member main body. Heat is conducted to the heat insulating material, and the heat insulating material is heated to substantially the same temperature as the pipe member body, and the heated gas is efficiently heated to a predetermined temperature while passing through the heat insulating material. Therefore, even if the heating length of the piping member body is made shorter than that without the heat insulating material, the same degree of heating can be performed.
- the heat insulating material is closely inserted into the hollow main body, the heat of the main body can be obtained by heating the piping member main body from the outside. Is conducted to the heat insulating material, and the heat insulating material is heated to substantially the same temperature as the main body. It is efficiently heated to a predetermined temperature while passing through the heat insulating material. Therefore, even if the heating length of the piping member main body is shortened compared to the case without the heat insulating material, the same degree of heating can be performed.
- FIG. 1 is a longitudinal sectional view showing a first embodiment of a gas heating piping member according to the present invention.
- FIG. 2 is a cross-sectional view of the same.
- FIG. 3 is a flowchart showing the configuration of the test apparatus.
- FIG. 4 is a view showing the measurement result of the temperature change of the gas heating piping member of the first embodiment.
- FIG. 5 is a longitudinal sectional view showing a second embodiment of a gas heating piping member according to the present invention.
- FIG. 6 is a view showing a measurement result of temperature change for the gas heating piping member of the second embodiment.
- FIG. 1 and FIG. 2 show a first embodiment of a piping member suitable for carrying out the gas heating method of the present invention.
- the pipe member (1) includes a pipe body (3) as a hollow body, a tape heater (2) as a heating means provided on the outer periphery of the body (3), and an inner periphery of the body (3). It consists of a heat insulating material (4) inserted in close contact.
- the heat insulating material (4) is formed by spirally laminating a porous metal foil (11) (thickness 50 / zm) with cut and raised (11a). Therefore, since it is formed of a single metal foil (11), it is very excellent in thermal conductivity, and the contact force between adjacent layers by cutting up (11a) ) Is a point contact rather than a surface contact where the flat surfaces contact each other, a sufficient gas passage gap is secured, and pressure loss is small.
- a porous metal foil (11) with cut and raised portions (11a) can be obtained, for example, by passing a metal foil material between a pair of rollers having a large number of protrusions on each cylindrical surface.
- a filter (5) is disposed at the outlet side end of the Neuve body (3).
- the filter (5) is a metal filter. When the filter (5) receives heat from the tape heater (2), the temperature drop in the filter (5) is prevented. .
- FIG. 2 what is indicated by a two-dot chain line is a metal core material (12), and the heat insulating material (4) is cut and raised as a porous metal material as required (11a). ) With a porous metal foil (11) and a metal core (12).
- Fig. 4 shows the measurement result of the temperature change when gas was passed through the piping member (1) heated to 200 ° C.
- Fig. 3 shows the flow chart of the test equipment for performing this measurement.
- the test conditions are as follows: the test fluid is nitrogen gas, the primary side of the test pressure is 300 kPa, the secondary side is open to the atmosphere, and the test flow rate is 5 SLM. After raising the test line to the set temperature (200 ° C), stability was confirmed and the temperature at the temperature measurement point was recorded.
- the test apparatus uses a heated gas piping member (1) to pass a heated gas through a pressure reducing valve (51), a filter (52), a flow rate adjusting valve (53), and a mass flow meter (54). ) And is opened to the atmosphere via the flow control valve (55), and the gas temperature at the inlet of the piping member (1) is adjusted. And the gas temperature at the outlet can be measured with the temperature sensor (56X57).
- the piping member (1) was heated in the range of about 160 mm in length, and a micro heater (case diameter lmm, electric capacity 300W, resistance 133.3 ⁇ ) was used as the heating means.
- FIG. 5 shows a second embodiment of a piping member suitable for carrying out the gas heating method of the present invention.
- the piping member (21) includes a pipe body (23) as a hollow body, a tape heater (22) as a heating means provided on the outer periphery of the body (23), and an inner periphery of the body (23). It is composed of a large number of metal balls (24a) inserted so as to be in close contact with the heat insulating material (24).
- Joint portions (25X26) are provided at both ends of the Neuve body (23), respectively.
- One (right side of the figure) of the joint part (25) is a first joint member having a threaded part (31a) on the outer periphery of the intermediate part and a hexagonal columnar flange part (31b) on the outer periphery of the butted end ( 31) and the other joint (26) has a hexagonal columnar flange (32a) on the outer periphery of the middle part and a threaded part (32b) (32c) on the outer periphery near both ends.
- the metal ball (24a) as the heat insulating material (24) is a steel ball, and its diameter is about 1Z4 of the inner diameter of the pipe body (23).
- the first and second joint members (31X32) have a small-diameter passage (3
- the sleeve (33) is joined to the main body (33a) having the same diameter as the pipe main body (23) and the pipe main body (23).
- the flange portion (33b) provided at the end of the non-contact end is in contact with the top wall portion of the cap nut (34) and the cap nut (34) is connected to the second joint member ( 32) It is fixed to the second joint member (32) by being screwed onto the male thread portion (32c).
- a gasket (46) is interposed between the abutment surface of the sleeve (33) and the second joint member (32) to ensure the sealing performance of the abutment surface!
- the step (37) of the first joint member (31) has a hole (42) having the same outer diameter as that of the large diameter passage (36) and smaller than the diameter of the metal ball (24a).
- the peripheral edge of a large number of circular metal perforated plates (41) is applied.
- the perforated plate (41) serves as a stop plate for preventing the metal sphere (24a) from dropping off during and after the filling of the metal sphere (24a).
- One end of a cylindrical compression coil spring (43) having the same outer diameter as the diameter of the large diameter passage (39) is applied to the step portion (40) of the second joint member (32).
- the other end of the coil spring (43) has the same shape as that of the stopper plate, that is, the same outer diameter as the diameter of the large diameter passage (36) and smaller than the diameter of the metal ball (24a).
- a circular metal perforated plate (44) having a large number of holes (45) is disposed.
- the coil spring (43) has a natural length longer than the distance from the step portion (40) of the second joint member (32) to the end surface of the pipe body (23), and the coil spring (43) passes through the perforated plate (44).
- the pipe body (23) is closely packed and the metal sphere (24a) is pressed against the other porous plate (41) side.
- the metal balls (24a) are sequentially filled into the pipe body (23) using one of the perforated plates (41) as a stop plate. Is done. Thereafter, the other perforated plate (44) is disposed in the sleeve (33), the coil spring (43) is disposed in the second joint member (32), and the sleeve (33) is secured by the nut (34). Fixed to the second joint member (32). Thereby, the metal sphere (24a) filled in the pipe body (23) is held by being sandwiched between the two perforated plates (41X44). In this way, the piping member (21) can be formed by a simple operation with extremely excellent thermal conductivity, sufficient force and sufficient gas passage gap, and low pressure loss.
- the heat insulating material is inserted in close contact with the inside of the piping member body such as a pipe, the heat of the piping member body is heated by heating the piping member body from the outside.
- the heat insulating material is also heated to substantially the same temperature as the piping member body, and the heated gas is efficiently heated to a predetermined temperature while passing through the heat insulating material. Therefore, even if the heating length of the piping member body is made shorter than that without the heat insulating material, the same degree of heating can be performed.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Pipe Accessories (AREA)
- Thermal Insulation (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/663,557 US20090202957A1 (en) | 2004-09-27 | 2005-08-02 | Gas heating method, and gas-heating piping member |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004279701A JP2006090676A (ja) | 2004-09-27 | 2004-09-27 | ガス加熱方法および被加熱ガス通路形成部材 |
JP2004-279701 | 2004-09-27 | ||
JP2005123789A JP2006300234A (ja) | 2005-04-21 | 2005-04-21 | 配管部材 |
JP2005-123789 | 2005-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006035547A1 true WO2006035547A1 (ja) | 2006-04-06 |
Family
ID=36118701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/014097 WO2006035547A1 (ja) | 2004-09-27 | 2005-08-02 | ガス加熱方法およびガス加熱用配管部材 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090202957A1 (ja) |
KR (1) | KR20070057962A (ja) |
TW (1) | TW200624700A (ja) |
WO (1) | WO2006035547A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110300050A1 (en) * | 2010-06-08 | 2011-12-08 | Memc Electronic Materials, Inc. | Trichlorosilane Vaporization System |
CN104246344B (zh) * | 2012-04-25 | 2015-12-23 | 东芝三菱电机产业系统株式会社 | 传热装置 |
KR101614523B1 (ko) * | 2014-04-25 | 2016-04-21 | 김형석 | 전기 히터식 제해 장치 및 이에 사용되는 전기 히터 구조체 |
IT202200007337A1 (it) * | 2022-04-13 | 2023-10-13 | Rotfil Srl | Riscaldatore elettrico |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5856514Y2 (ja) * | 1979-12-20 | 1983-12-27 | 株式会社 浪速製作所 | 気体加熱装置 |
JPH04110597A (ja) * | 1990-08-29 | 1992-04-13 | Kobe Steel Ltd | 熱交換器用伝熱管 |
JPH09145107A (ja) * | 1995-11-20 | 1997-06-06 | Fuji Denki Koji Kk | 潜熱蓄熱システム |
JPH11108283A (ja) * | 1997-10-09 | 1999-04-20 | Kokusai Electric Co Ltd | ヒータ付配管及び半導体製造装置 |
JP2000079462A (ja) * | 1998-09-07 | 2000-03-21 | Maruyasu Industries Co Ltd | 熱交換器 |
JP2002062069A (ja) * | 2000-08-18 | 2002-02-28 | Sumitomo Precision Prod Co Ltd | 熱伝導体並びに熱交換器 |
JP2002340486A (ja) * | 2001-05-21 | 2002-11-27 | Matsushita Electric Ind Co Ltd | 熱交換器 |
JP2004220852A (ja) * | 2003-01-10 | 2004-08-05 | Sony Corp | 成膜装置および有機el素子の製造装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3917324A (en) * | 1974-04-19 | 1975-11-04 | Toyo Kinzoku Corp | Pipe joint |
US5197323A (en) * | 1990-07-13 | 1993-03-30 | Sparta, Inc. | Pebble-bed heater and shock tube assembly |
JP2004138217A (ja) * | 2002-10-21 | 2004-05-13 | Toyota Industries Corp | 水素貯蔵タンク |
-
2005
- 2005-08-02 WO PCT/JP2005/014097 patent/WO2006035547A1/ja active Application Filing
- 2005-08-02 US US11/663,557 patent/US20090202957A1/en not_active Abandoned
- 2005-08-02 KR KR1020077008879A patent/KR20070057962A/ko not_active Application Discontinuation
- 2005-09-26 TW TW094133297A patent/TW200624700A/zh unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5856514Y2 (ja) * | 1979-12-20 | 1983-12-27 | 株式会社 浪速製作所 | 気体加熱装置 |
JPH04110597A (ja) * | 1990-08-29 | 1992-04-13 | Kobe Steel Ltd | 熱交換器用伝熱管 |
JPH09145107A (ja) * | 1995-11-20 | 1997-06-06 | Fuji Denki Koji Kk | 潜熱蓄熱システム |
JPH11108283A (ja) * | 1997-10-09 | 1999-04-20 | Kokusai Electric Co Ltd | ヒータ付配管及び半導体製造装置 |
JP2000079462A (ja) * | 1998-09-07 | 2000-03-21 | Maruyasu Industries Co Ltd | 熱交換器 |
JP2002062069A (ja) * | 2000-08-18 | 2002-02-28 | Sumitomo Precision Prod Co Ltd | 熱伝導体並びに熱交換器 |
JP2002340486A (ja) * | 2001-05-21 | 2002-11-27 | Matsushita Electric Ind Co Ltd | 熱交換器 |
JP2004220852A (ja) * | 2003-01-10 | 2004-08-05 | Sony Corp | 成膜装置および有機el素子の製造装置 |
Also Published As
Publication number | Publication date |
---|---|
US20090202957A1 (en) | 2009-08-13 |
KR20070057962A (ko) | 2007-06-07 |
TW200624700A (en) | 2006-07-16 |
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